Home / 48,186.18-72,266.50-21,885.07

Finding the Fourth Proportional to 48,186.18, 72,266.50 and 21,885.07

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Solution

The fourth proportional to 48,186.18, 72,266.50 and 21,885.07 is: 32,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,186.18 : 72,266.50 = 21,885.07 : x
  2. Step 2: Convert to fraction form
    48,186.18/72,266.50 = 21,885.07/x
  3. Step 3: Cross multiply
    48,186.18x = 72,266.50 × 21,885.07
  4. Step 4: Simplify right side
    48,186.18x = 1,581,557,411.16
  5. Step 5: Solve for x
    x = 1,581,557,411.16/48,186.18
  6. Step 6: Final answer
    x = 32,821.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.